kernel/linux.git/drivers/gpu/drm/amd/display/modules, branch v7.0-rc7

Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses

2026-02-22T16:26:33+00:00

Conversion performed via this Coccinelle script: // SPDX-License-Identifier: GPL-2.0-only // Options: --include-headers-for-types --all-includes --include-headers --keep-comments virtual patch @gfp depends on patch && !(file in "tools") && !(file in "samples")@ identifier ALLOC = {kmalloc_obj,kmalloc_objs,kmalloc_flex, kzalloc_obj,kzalloc_objs,kzalloc_flex, kvmalloc_obj,kvmalloc_objs,kvmalloc_flex, kvzalloc_obj,kvzalloc_objs,kvzalloc_flex}; @@ ALLOC(... - , GFP_KERNEL ) $ make coccicheck MODE=patch COCCI=gfp.cocci Build and boot tested x86_64 with Fedora 42's GCC and Clang: Linux version 6.19.0+ (user@host) (gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7), GNU ld version 2.44-12.fc42) #1 SMP PREEMPT_DYNAMIC 1970-01-01 Linux version 6.19.0+ (user@host) (clang version 20.1.8 (Fedora 20.1.8-4.fc42), LLD 20.1.8) #1 SMP PREEMPT_DYNAMIC 1970-01-01 Signed-off-by: Kees Cook Signed-off-by: Linus Torvalds

Convert more 'alloc_obj' cases to default GFP_KERNEL arguments

2026-02-22T04:03:00+00:00

This converts some of the visually simpler cases that have been split over multiple lines. I only did the ones that are easy to verify the resulting diff by having just that final GFP_KERNEL argument on the next line. Somebody should probably do a proper coccinelle script for this, but for me the trivial script actually resulted in an assertion failure in the middle of the script. I probably had made it a bit _too_ trivial. So after fighting that far a while I decided to just do some of the syntactically simpler cases with variations of the previous 'sed' scripts. The more syntactically complex multi-line cases would mostly really want whitespace cleanup anyway. Signed-off-by: Linus Torvalds

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-22T01:09:51+00:00

This was done entirely with mindless brute force, using git grep -l '\

treewide: Replace kmalloc with kmalloc_obj for non-scalar types

2026-02-21T09:02:28+00:00

This is the result of running the Coccinelle script from scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to avoid scalar types (which need careful case-by-case checking), and instead replace kmalloc-family calls that allocate struct or union object instances: Single allocations: kmalloc(sizeof(TYPE), ...) are replaced with: kmalloc_obj(TYPE, ...) Array allocations: kmalloc_array(COUNT, sizeof(TYPE), ...) are replaced with: kmalloc_objs(TYPE, COUNT, ...) Flex array allocations: kmalloc(struct_size(PTR, FAM, COUNT), ...) are replaced with: kmalloc_flex(*PTR, FAM, COUNT, ...) (where TYPE may also be *VAR) The resulting allocations no longer return "void *", instead returning "TYPE *". Signed-off-by: Kees Cook

drm/amd/display: Check NULL before accessing a variable

2026-01-20T22:19:34+00:00

[WHAT] Check NULL before accessing link, not after. This is reported as a REVERSE_INULL error by Coverity. Reviewed-by: Aurabindo Pillai Signed-off-by: Alex Hung Signed-off-by: Matthew Stewart Tested-by: Dan Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Add frame skip feature support flag

2026-01-05T21:59:58+00:00

[WHY] The set_replay_frame_skip_number() function should not execute when the link does not support the Frame Skipping feature. [HOW] Add a new field `frame_skip_supported` to struct replay_config to indicate whether the link supports frame skipping. Check this flag at the beginning of set_replay_frame_skip_number() and return early if the feature is not supported. Reviewed-by: Robin Chen Signed-off-by: ChunTao Tso Signed-off-by: Chenyu Chen Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Revise VSC SDP header for Panel Replay

2025-12-08T18:56:36+00:00

[WAHT] Add vsc sdp header setting for Panel Replay. Reviewed-by: Robin Chen Signed-off-by: Jack Chang Signed-off-by: Alex Hung Signed-off-by: Alex Deucher

drm/amd/display: Add AS-SDP v2 support for eDP feature

2025-12-08T18:56:36+00:00

[WHY & HOW] VESA Panel Replay requires AS-SDP v2 support. Need to add checking flow to enable AS-SDP v2 in this case. Reviewed-by: Robin Chen Signed-off-by: Jack Chang Signed-off-by: Leon Huang Signed-off-by: Alex Hung Signed-off-by: Alex Deucher

drm/amd/display: Add panel replay enablement option and logic

2025-11-18T15:50:06+00:00

[Why&How] 1.Add flow to enable and configure panel replay enablement and configuration 2.Add registry key for enable option 3.Add replay version check to be compatible with freesync replay 4.Add AC/DC switch function to notify ac/dc change. 5.Add flow in set event function to check and decide Replay enable/disable Reviewed-by: Robin Chen Signed-off-by: Jack Chang Signed-off-by: Leon Huang Signed-off-by: Ivan Lipski Tested-by: Dan Wheeler Signed-off-by: Alex Deucher

drm/amd/display: Refactor HDCP Status Log Format

2025-11-12T02:54:16+00:00

Add missing part for drm/amd/display: fw locality check refactors Reviewed-by: Aurabindo Pillai Signed-off-by: Wenjing Liu Signed-off-by: Fangzhi Zuo Tested-by: Dan Wheeler Signed-off-by: Alex Deucher